Home / 445,215.24-667,900.62-195,890.76

Finding the Fourth Proportional to 445,215.24, 667,900.62 and 195,890.76

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Solution

The fourth proportional to 445,215.24, 667,900.62 and 195,890.76 is: 293,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,215.24 : 667,900.62 = 195,890.76 : x
  2. Step 2: Convert to fraction form
    445,215.24/667,900.62 = 195,890.76/x
  3. Step 3: Cross multiply
    445,215.24x = 667,900.62 × 195,890.76
  4. Step 4: Simplify right side
    445,215.24x = 130,835,560,056.27
  5. Step 5: Solve for x
    x = 130,835,560,056.27/445,215.24
  6. Step 6: Final answer
    x = 293,870.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.